Weil's latest book Spontaneous Happiness was published in November 2011.

Andrew Weil, M.D.

Andrew Weil, M.D., is the author of dozens of books including Spontaneous Healing and Healthy Aging. He is the founder and director of the Program in Integrative Medicine at the University of Arizona in Tucson. Weil received both his medical degree and his undergraduate degree in biology from Harvard University.